Question 1

Why is a convergent pattern of surface winds associated with thunderstorm formation?

Accepted Answer

Surface convergence ...

Question 2

In the United States,a mesoscale convective complex is most likely to develop in:

Accepted Answer

A)  the Great Plains.
B)  the Pacific Northwest.
C)  New England.
D)  the Gulf of Mexico.

Question 3

About what percent of thunderstorms in the United States become severe?

Accepted Answer

A)  10%
B)  20%
C)  25%
D)  50%

Question 4

The feature identified by Letter D is:

Accepted Answer

A)  the gust front
B)  a cold front
C)  the storm's anvil
D)  experiencing very calm conditions

Question 5

The terms leader,flash,and stroke are used when describing:

Accepted Answer

A)  squall line formation.
B)  the stages of a thunderstorm.
C)  the passage of a hurricane.
D)  lightning.
E)  a tornado.

Question 6

Which of the following statements is not true of tornadoes?

Accepted Answer

A)  generally move from the southwest toward the northeast
B)  usually occur along the warm front of a midlatitude cyclone
C)  most common in the Midwest and Great Plains
D)  associated with cumulonimbus clouds
E)  occur most frequently in the spring of the year

Question 7

Cloud-to-ground lightning results in a flow of electrons from the ground to the cloud.

Accepted Answer

A) True 
 B)False

Question 8

Large hail is generally associated only with severe thunderstorms.

Accepted Answer

A) True 
 B)False

Question 9

What causes the dissipating stage of a thunderstorm?

Accepted Answer

A)  converging surface winds
B)  loss of radiant energy from cloud top
C)  release of latent heat within the cloud
D)  converging winds aloft
E)  spreading downdraft cuts off air inflow

Question 10

Which of the following should have the steepest pressure gradient?

Accepted Answer

A)  middle-latitude cyclone
B)  hurricane
C)  tornado
D)  typhoon

Question 11

Doppler radar can now provide adequate warning of impending tornadoes at least 95 percent of the time.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is likely during the mature stage of a thunderstorm?

Accepted Answer

A)  lightning
B)  light winds
C)  light precipitation
D)  no precipitation

Question 13

Destruction caused by a tornado is primarily due to the large pressure drop as the funnel passes over.

Accepted Answer

A) True 
 B)False

Question 14

The strongest tornados are ranked ________ on the Enhanced Fujita Intensity Scale.

Accepted Answer

The answer of The strongest tornados are ranked ________ on...

Question 15

What are the three stages in the development of a thunderstorm?

Accepted Answer

(1)Cumulus Stage.(2)...

Question 16

The leading edge of a gust front is frequently associated with:

Accepted Answer

A)  heavy precipitation.
B)  the development of a new cumulonimbus cloud.
C)  tornadoes.
D)  hail.

Question 17

Lightning only occurs under the central part of a thunderstorm cloud.

Accepted Answer

A) True 
 B)False

Question 18

Radar detects a thunderstorm by measuring the electrical discharges within the cloud.

Accepted Answer

A) True 
 B)False

Question 19

Tornadoes are most frequent during the:

Accepted Answer

A)  month of September.
B)  January-March period.
C)  April-June period.
D)  October-December period.
E)  July-August period.

Question 20

The airflow pattern aloft is not usually related to severe thunderstorm development.

Accepted Answer

A) True 
 B)False

Exam 10: Thunderstorms and Tornadoes

In the United States,a mesoscale convective complex is most likely to develop in:

Correct AnswerverifiedShow Answer

The feature identified by Letter D is:

Correct AnswerverifiedShow Answer

Cloud-to-ground lightning results in a flow of electrons from the ground to the cloud.

Correct AnswerverifiedShow Answer

The leading edge of a gust front is frequently associated with:

Correct AnswerverifiedShow Answer

The terms leader,flash,and stroke are used when describing:

Correct AnswerverifiedShow Answer

Destruction caused by a tornado is primarily due to the large pressure drop as the funnel passes over.

Correct AnswerverifiedShow Answer

Lightning only occurs under the central part of a thunderstorm cloud.

Correct AnswerverifiedShow Answer

Doppler radar can now provide adequate warning of impending tornadoes at least 95 percent of the time.

Correct AnswerverifiedShow Answer

Large hail is generally associated only with severe thunderstorms.

Correct AnswerverifiedShow Answer

Why is a convergent pattern of surface winds associated with thunderstorm formation?

Correct AnswerverifiedSurface convergence ...View AnswerShow Answer

Which of the following should have the steepest pressure gradient?

Correct AnswerverifiedShow Answer

About what percent of thunderstorms in the United States become severe?

Correct AnswerverifiedShow Answer

What causes the dissipating stage of a thunderstorm?

Correct AnswerverifiedShow Answer

Tornadoes are most frequent during the:

Correct AnswerverifiedShow Answer

The strongest tornados are ranked ________ on the Enhanced Fujita Intensity Scale.

Correct AnswerverifiedShow Answer

The airflow pattern aloft is not usually related to severe thunderstorm development.

Correct AnswerverifiedShow Answer

Radar detects a thunderstorm by measuring the electrical discharges within the cloud.

Correct AnswerverifiedShow Answer

Which of the following statements is not true of tornadoes?

Correct AnswerverifiedShow Answer

What are the three stages in the development of a thunderstorm?

Correct Answerverified(1)Cumulus Stage.(2)...View AnswerShow Answer

Which of the following is likely during the mature stage of a thunderstorm?

Correct AnswerverifiedShow Answer

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Surface convergence ...
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(1)Cumulus Stage.(2)...
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Correct Answer
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